Synthesis, structure, magnetic susceptibility and Mössbauer and raman spectroscopies of the new oxyphosphate Fe0.50TiO(PO4)
Identifieur interne : 000200 ( France/Analysis ); précédent : 000199; suivant : 000201Synthesis, structure, magnetic susceptibility and Mössbauer and raman spectroscopies of the new oxyphosphate Fe0.50TiO(PO4)
Auteurs : S. Benmokhtar [Maroc] ; A. El Jazouli [Maroc] ; J. P. Chaminade [France] ; P. Gravereau [France] ; A. Wattiaux [France] ; L. Fournes [France] ; J. C. Grenier [France] ; D. Waal [Afrique du Sud]Source :
- Journal of solid state chemistry : (Print) [ 0022-4596 ] ; 2006.
Descripteurs français
- Pascal (Inist)
- Structure magnétique, Susceptibilité magnétique, Effet Mössbauer, Spectrométrie Raman, Spectre Raman, Actinide, Fer, Réaction état solide, Echange ion, Diffraction RX, Spectre RX, Spectrométrie Mössbauer, Mesure magnétique, Structure cristalline, Nickel, Titane, Réseau monoclinique, Groupe espace, Alliage ternaire, Chaîne longue, Site cristallographique, Etat spin élevé, Métal transition, 7525, 75, 7680, 78, Méthode Rietveld.
- Wicri :
English descriptors
- KwdEn :
- Actinides, Crystal structure, Crystallographic site, High spin states, Ion exchange, Iron, Long chain, Magnetic measurement, Magnetic structure, Magnetic susceptibility, Moessbauer effect, Moessbauer spectroscopy, Monoclinic lattices, Nickel, Raman spectra, Raman spectroscopy, Rietveld method, Solid state reaction, Space groups, Ternary alloys, Titanium, Transition elements, X-ray spectra, XRD.
Abstract
A new iron titanyl oxyphosphate Fe0.50TiO(PO4) was synthesized by both solid-state reaction and Cu2+-Fe2+ ion exchange method. The material was then characterized by X-ray diffraction, Mössbauer spectroscopy, magnetic susceptibility measurements and Raman spectroscopy. The crystal structure of the compound was refined, using X-ray powder diffraction data, by Rietveld profile method; it crytallizes in the monoclinic system, space group P21/c (No.14), with a = 7.4039(3)A, b = 7.3838(3)Å, c = 7.4083(3)Å, β = 120.36°(1), V = 349.44(2)Å3 and Z = 4. The volume of the title compound is comparable to those of the MoII0.50TiO(PO4) series, where MII = Mg, Co, Ni and Zn. The framework is built up from [TiO6] octahedra and [PO4] tetrahedra. [TiO6] octahedra are linked together by corners and form infinite chains along the c-axis. Ti atoms are displaced from the center of octahedral units showing an alternating short distance (1.73 A) and a long one (2.22 A). These chains are linked together by [PO4] tetrahedra. Fe2+ cations occupy a triangle-based antiprism sharing two faces with two [TiO6] octahedra. Mössbauer and magnetic measurements show the existence of iron only in divalent state, located exclusively in octahedral sites with high spin configuration (t42ge2g). Raman study confirms the existence of Ti-O-Ti chains.
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Schweittzer</s1><s2>33608 Pessac</s2><s3>FRA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region><settlement type="city">Pessac</settlement></placeName></affiliation></author><author><name sortKey="Grenier, J C" sort="Grenier, J C" uniqKey="Grenier J" first="J. C." last="Grenier">J. C. Grenier</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut de chimie de la matière condensée de Bordeaux (ICMCB-CNRS), 87, av. du Dr. A. Schweittzer</s1><s2>33608 Pessac</s2><s3>FRA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region><settlement type="city">Pessac</settlement></placeName></affiliation></author><author><name sortKey="Waal, D" sort="Waal, D" uniqKey="Waal D" first="D." last="Waal">D. 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Benmokhtar</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>LCMS, UFR Sciences des Matériaux Solides, Faculté des Sciences Ben M'Sik</s1><s2>Casablanca</s2><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>Casablanca</wicri:noRegion></affiliation></author><author><name sortKey="El Jazouli, A" sort="El Jazouli, A" uniqKey="El Jazouli A" first="A." last="El Jazouli">A. El Jazouli</name><affiliation wicri:level="1"><inist:fA14 i1="01"><s1>LCMS, UFR Sciences des Matériaux Solides, Faculté des Sciences Ben M'Sik</s1><s2>Casablanca</s2><s3>MAR</s3><sZ>1 aut.</sZ><sZ>2 aut.</sZ></inist:fA14><country>Maroc</country><wicri:noRegion>Casablanca</wicri:noRegion></affiliation></author><author><name sortKey="Chaminade, J P" sort="Chaminade, J P" uniqKey="Chaminade J" first="J. P." last="Chaminade">J. P. Chaminade</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut de chimie de la matière condensée de Bordeaux (ICMCB-CNRS), 87, av. du Dr. A. Schweittzer</s1><s2>33608 Pessac</s2><s3>FRA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region><settlement type="city">Pessac</settlement></placeName></affiliation></author><author><name sortKey="Gravereau, P" sort="Gravereau, P" uniqKey="Gravereau P" first="P." last="Gravereau">P. Gravereau</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut de chimie de la matière condensée de Bordeaux (ICMCB-CNRS), 87, av. du Dr. A. Schweittzer</s1><s2>33608 Pessac</s2><s3>FRA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region><settlement type="city">Pessac</settlement></placeName></affiliation></author><author><name sortKey="Wattiaux, A" sort="Wattiaux, A" uniqKey="Wattiaux A" first="A." last="Wattiaux">A. Wattiaux</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut de chimie de la matière condensée de Bordeaux (ICMCB-CNRS), 87, av. du Dr. A. Schweittzer</s1><s2>33608 Pessac</s2><s3>FRA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region><settlement type="city">Pessac</settlement></placeName></affiliation></author><author><name sortKey="Fournes, L" sort="Fournes, L" uniqKey="Fournes L" first="L." last="Fournes">L. Fournes</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut de chimie de la matière condensée de Bordeaux (ICMCB-CNRS), 87, av. du Dr. A. Schweittzer</s1><s2>33608 Pessac</s2><s3>FRA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region><settlement type="city">Pessac</settlement></placeName></affiliation></author><author><name sortKey="Grenier, J C" sort="Grenier, J C" uniqKey="Grenier J" first="J. C." last="Grenier">J. C. Grenier</name><affiliation wicri:level="3"><inist:fA14 i1="02"><s1>Institut de chimie de la matière condensée de Bordeaux (ICMCB-CNRS), 87, av. du Dr. A. Schweittzer</s1><s2>33608 Pessac</s2><s3>FRA</s3><sZ>3 aut.</sZ><sZ>4 aut.</sZ><sZ>5 aut.</sZ><sZ>6 aut.</sZ><sZ>7 aut.</sZ></inist:fA14><country>France</country><placeName><region type="region" nuts="2">Nouvelle-Aquitaine</region><region type="old region" nuts="2">Aquitaine</region><settlement type="city">Pessac</settlement></placeName></affiliation></author><author><name sortKey="Waal, D" sort="Waal, D" uniqKey="Waal D" first="D." last="Waal">D. Waal</name><affiliation wicri:level="1"><inist:fA14 i1="03"><s1>Department of Chemistry, Universify of Pretoria</s1><s2>0002 Pretoria</s2><s3>ZAF</s3><sZ>8 aut.</sZ></inist:fA14><country>Afrique du Sud</country><wicri:noRegion>0002 Pretoria</wicri:noRegion></affiliation></author></analytic><series><title level="j" type="main">Journal of solid state chemistry : (Print)</title><title level="j" type="abbreviated">J. solid state chem. : (Print)</title><idno type="ISSN">0022-4596</idno><imprint><date when="2006">2006</date></imprint></series></biblStruct></sourceDesc><seriesStmt><title level="j" type="main">Journal of solid state chemistry : (Print)</title><title level="j" type="abbreviated">J. solid state chem. : (Print)</title><idno type="ISSN">0022-4596</idno></seriesStmt></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Actinides</term><term>Crystal structure</term><term>Crystallographic site</term><term>High spin states</term><term>Ion exchange</term><term>Iron</term><term>Long chain</term><term>Magnetic measurement</term><term>Magnetic structure</term><term>Magnetic susceptibility</term><term>Moessbauer effect</term><term>Moessbauer spectroscopy</term><term>Monoclinic lattices</term><term>Nickel</term><term>Raman spectra</term><term>Raman spectroscopy</term><term>Rietveld method</term><term>Solid state reaction</term><term>Space groups</term><term>Ternary alloys</term><term>Titanium</term><term>Transition elements</term><term>X-ray spectra</term><term>XRD</term></keywords><keywords scheme="Pascal" xml:lang="fr"><term>Structure magnétique</term><term>Susceptibilité magnétique</term><term>Effet Mössbauer</term><term>Spectrométrie Raman</term><term>Spectre Raman</term><term>Actinide</term><term>Fer</term><term>Réaction état solide</term><term>Echange ion</term><term>Diffraction RX</term><term>Spectre RX</term><term>Spectrométrie Mössbauer</term><term>Mesure magnétique</term><term>Structure cristalline</term><term>Nickel</term><term>Titane</term><term>Réseau monoclinique</term><term>Groupe espace</term><term>Alliage ternaire</term><term>Chaîne longue</term><term>Site cristallographique</term><term>Etat spin élevé</term><term>Métal transition</term><term>7525</term><term>75</term><term>7680</term><term>78</term><term>Méthode Rietveld</term></keywords><keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Fer</term><term>Nickel</term><term>Titane</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">A new iron titanyl oxyphosphate Fe<sub>0.50</sub>TiO(PO<sub>4</sub>) was synthesized by both solid-state reaction and Cu<sup>2+</sup>-Fe<sup>2+</sup> ion exchange method. The material was then characterized by X-ray diffraction, Mössbauer spectroscopy, magnetic susceptibility measurements and Raman spectroscopy. The crystal structure of the compound was refined, using X-ray powder diffraction data, by Rietveld profile method; it crytallizes in the monoclinic system, space group P2<sub>1</sub>/c (No.14), with a = 7.4039(3)A, b = 7.3838(3)Å, c = 7.4083(3)Å, β = 120.36°(1), V = 349.44(2)Å<sup>3</sup> and Z = 4. The volume of the title compound is comparable to those of the Mo<sup>II</sup><sub>0.50</sub>TiO(PO<sub>4</sub>) series, where M<sup>II</sup> = Mg, Co, Ni and Zn. The framework is built up from [TiO<sub>6</sub>] octahedra and [PO<sub>4</sub>] tetrahedra. [TiO<sub>6</sub>] octahedra are linked together by corners and form infinite chains along the c-axis. Ti atoms are displaced from the center of octahedral units showing an alternating short distance (1.73 A) and a long one (2.22 A). These chains are linked together by [PO<sub>4</sub>] tetrahedra. Fe<sup>2+</sup> cations occupy a triangle-based antiprism sharing two faces with two [TiO<sub>6</sub>] octahedra. Mössbauer and magnetic measurements show the existence of iron only in divalent state, located exclusively in octahedral sites with high spin configuration (t<sup>4</sup><sub>2g</sub>e<sup>2</sup><sub>g</sub>). Raman study confirms the existence of Ti-O-Ti chains.</div></front></TEI><affiliations><list><country><li>Afrique du Sud</li><li>France</li><li>Maroc</li></country><region><li>Aquitaine</li><li>Nouvelle-Aquitaine</li></region><settlement><li>Pessac</li></settlement></list><tree><country name="Maroc"><noRegion><name sortKey="Benmokhtar, S" sort="Benmokhtar, S" uniqKey="Benmokhtar S" first="S." last="Benmokhtar">S. Benmokhtar</name></noRegion><name sortKey="El Jazouli, A" sort="El Jazouli, A" uniqKey="El Jazouli A" first="A." last="El Jazouli">A. El Jazouli</name></country><country name="France"><region name="Nouvelle-Aquitaine"><name sortKey="Chaminade, J P" sort="Chaminade, J P" uniqKey="Chaminade J" first="J. P." last="Chaminade">J. P. Chaminade</name></region><name sortKey="Fournes, L" sort="Fournes, L" uniqKey="Fournes L" first="L." last="Fournes">L. Fournes</name><name sortKey="Gravereau, P" sort="Gravereau, P" uniqKey="Gravereau P" first="P." last="Gravereau">P. Gravereau</name><name sortKey="Grenier, J C" sort="Grenier, J C" uniqKey="Grenier J" first="J. C." last="Grenier">J. C. Grenier</name><name sortKey="Wattiaux, A" sort="Wattiaux, A" uniqKey="Wattiaux A" first="A." last="Wattiaux">A. Wattiaux</name></country><country name="Afrique du Sud"><noRegion><name sortKey="Waal, D" sort="Waal, D" uniqKey="Waal D" first="D." last="Waal">D. Waal</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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